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Título

The electromagnetic and Proca fields revisited: A unified quantization

Autor Aldaya, Víctor ; Calixto, Manuel; Navarro Navarro, Miguel
Palabras clave Proca Cuantización unificada
Campos electromagnéticos
Matemática Aplicada
Fecha de publicación 1997
EditorWorld Scientific Publishing
Citación International Journal of Modern Physics A 12: 3609- 3623 (1997)
ResumenQuantizing the electromagnetic field with a group formalism faces the difficulty of how to turn the traditional gauge transformation of the vector potential, Aμ(x) → Aμ(x) + ∂μφ(x), into a group law. In this paper, it is shown that the problem can be solved by looking at gauge transformations in a slightly different manner which, in addition, does not require introducing any BRST-like parameter. This gauge transformation does not appear explicitly in the group law of the symmetry but rather as the trajectories associated with generalized equations of motion generated by vector fields with null Noether invariants. In the new approach the parameters of the local group, U(1)(x, t), acquire dynamical content outside the photon mass shell, a fact which also allows a unified quantization of both the electromagnetic and Proca fields. © World Scientific Publishing Company.
URI http://hdl.handle.net/10261/102540
DOI10.1142/S0217751X97001869
Identificadoresdoi: 10.1142/S0217751X97001869
issn: 0217-751X
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